Unverified80% confidenceFactTime unknown
防晒面罩的UPF防护会随洗涤次数和面料拉伸变形而下降，物理遮挡型（致密织造）比涂层型更耐洗，涂层型洗几十次后防护明显衰减
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified防晒涂层型面罩（后处理化学涂层）的UPF值会随洗涤次数下降，通常30次机洗后防护性明显衰减；原纱防晒（防晒剂织入纤维）耐洗性可达数百次，长期使用应选原纱型93% similarUnverified化学涂层防晒（喷涂后整理剂）面罩不耐洗，洗涤20-30次后UPF会明显衰减；追求耐用应选纤维本身高密度物理防晒的面料（如原液着色/致密涤纶），可反复水洗不掉防护91% similarUnverified防晒头套的UPF会随洗涤和拉伸衰减，含物理防晒（二氧化钛处理）的耐久性优于化学涂层款，涂层款洗涤20-30次后防晒明显下降需更换91% similarUnverified防晒效果会随洗涤和拉伸衰减：涂层型面罩水洗20-30次后UPF明显下降，追求耐用应选纤维本身致密（非涂层）的原纱型防晒面料91% similarUnverified防晒效果依赖织物密度和后整理涂层，涂层型口罩水洗30次后UPF会明显衰减，选择原纱防晒(如冰氧吧/凉感纱)的产品耐洗性更持久91% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/166132API
curl https://kongchang.com/api/v1/knowledge/claims/166132MCP
get_claim(id=166132)